Assessment of the acid drainage neutralization capacity and the toxic metals lixiviation of tailing from Guanajuato mining district, Mexico

García-Arreola, María Elena; Flores-Vélez, L. M.; Loredo-Tovías, Marcos; Aguillón‐Robles, Alfredo; López-Doncel, Rubén; Cano-Rodríguez, Isidoro; Soriano-Pérez, Sonia Hortensia

doi:10.1007/s12665-018-7521-4

Cited by 6 publications

(3 citation statements)

References 25 publications

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“…Still, conditions in the basin can immobilize them in soils (PHREEQC model), stream sediments (Rueda-Garzon et al 2022), and dam sediments (Carrillo-Chávez et al 2003;Bravo-Covarrubias et al 2020;Ramírez-Ramírez, 2021Lecomte et al 2022, due to the high ratio of carbonates/sulfides that cause an alkaline pH in waters (Carrillo-Chávez et al 2003;García-Arreola et al 2018), producing the metal(loid)s precipitation as oxyhydroxides, and raising its retention capacity in organic matter and clay minerals (Vega et al 2007;Sipos et al, 2008;Kumpiene, 2010;Hernández-Mendiola et al 2022). But if conditions are reduced, metal(loid)s sorbed can be released (Tack 2010).…”

Section: Hydrogeochemical Evolution By the Inverse Modelmentioning

confidence: 99%

“…The GMD is localized upstream of the Guanajuato River Basin (GRB). In the GRB, anomalous metal(loid)s concentrations have been reported in rocks, tailing mining, stream and dam sediments, overbank deposit, freshwater, and groundwater (Bravo-Covarrubias et al 2020;Cano-Rodriguez et al 2000;Carrillo-Chávez et al 2003;Chaparro et al 2020;Esparza-Claudio 2011;García-Arreola et al 2018;Hernández-Silva et al 2005;Lecomte et al 2022;Mendoza-Amézquita et al 2006;Miranda-Avilés et al 2009, 2012Morton-Bermea et al 2004;Piña González et al 2022;Ramos-Arroyo et al 2013;Rueda-Garzon et al 2022). This study aimed to determine the HM&Ms concentrations in soils, investigate the potential HM&Ms leach-ing processes, model interaction between soil and water, compare experimental and field data on HM&Ms leaching, and contribute new data to better understand the hydrogeochemical evolution of the GRB.…”

Section: Introductionmentioning

confidence: 99%

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Heavy metal and metalloids concentration and mobility in soil leaching into a basin impacted by 500 years of mining in central Mexico: Column experiments and geochemical modeling

Rueda-Garzón,

Carrillo-Chavez,

Miranda-Avilés

et al. 2023

Preprint

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The Guanajuato mining district has had mining operations for over 500 years. This mining district is one of the most important Ag-Au producers in Mexico and is among the largest deposits in the world. The natural enrichment of heavy metals and metalloids (HM&Ms) in the Guanajuato River basin (GRB), and the different mineral recovery methods used over time have caused relatively high concentrations in stream sediments and soil, posing a potential risk to the environment. This study conducted column experiments to evaluate the potential of HM&Ms leaching from the soil into the groundwater upstream of GRB. The column experiment results were modeled (inverse modeling) in PHREEQC in order to analyze the soilwater interaction. Inverse modeling determined that pH, redox conditions, mineralogy phases, and cation exchange control the mobility of HM&Ms. Soils in GRB have the potential to release Zn > Cu > Pb > Ni in low concentrations (<1mg/L) due to the stability of mineral phases and alkaline pH. However, soil leachates can precipitate clays and oxyhydroxides, which, at alkaline pH, increase their retention capacity, controlling the leachability of HM&Ms. Clay minerals present the major phases in the leaching processes, followed by carbonates and sulfides. This research demonstrated that mineralogy is the main factor influencing the availability of HM&Ms in the groundwater of the Guanajuato River Basin.

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Section: Hydrogeochemical Evolution By the Inverse Modelmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Heavy metal and metalloids concentration and mobility in soil leaching into a basin impacted by 500 years of mining in central Mexico: Column experiments and geochemical modeling

Rueda-Garzón,

Carrillo-Chavez,

Miranda-Avilés

et al. 2023

Preprint

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“…For water accumulating in the goaf, the change in pH is a result of water-rock interaction and has an important influence on the changes of the components in the water [33]. O 2 is a common oxidant in groundwater [34], and changes in DO concentration in water in a relatively closed extraction zone system can affect the type and intensity of water-rock interaction and the redox environment of the water body [35]. TDS represents the total amount of all solutes in groundwater and is a comprehensive reflection of the concentration of major ions in water [36].…”

Section: Changes In Hydrochemical Characteristics Of Goaf Watermentioning

confidence: 99%

Mechanism of Changes in Goaf Water Hydrogeochemistry: A Case Study of the Menkeqing Coal Mine

Zhao

Sun

2022

IJERPH

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Goaf water in mining areas is widely found in China’s coal mines. To clarify the hydrogeochemical characteristics of goaf water and the influence mechanism of water–rock interaction and further reveal microbial action on the formation of goaf water quality, the goaf water in the Menkeqing coal mine was taken as the object, and physical modeling was used to simulate the process of the real goaf changing from an oxygen-sufficient environment to an anoxic environment with the rise of groundwater level in this work. The experimental results showed that the water–rock interaction in the goaf was mainly the dissolution–precipitation of minerals in the rocks of the caving zone and fracture zone, cation exchange, and oxidation of pyrite in the coal layer. The primary sources of Na+ and K+ in the goaf water were the dissolution and reverse ion exchange of silicate minerals such as albite and potassium feldspar, while Ca2+ and Mg2+ mainly from the dissolution of minerals such as calcium feldspar, calcite, and chlorite. The oxidation of pyrite in coal was the main reason for the increase in SO42− concentration, the enhancement of reduction, and the decrease in pH and DO (dissolved oxygen) in the goaf water. Relative abundance of sulfate-reducing bacteria (SRB) in goaf (e.g., Desulfosporosinus, Desulfobacterium, etc.) increased gradually, inhibiting the increase in SO42− concentration in goaf water through the devulcanization of SRB. The inverse hydrogeochemical modeling was performed using PHREEQC for two stages of the simulation experiment: 0–30 days and 30–300 days. The simulation results show that the water–rock action in the formation of goaf water mainly occurred in the simulation experiment’s early stage (0–30 days), and the mineral dissolution is dominant throughout the experimental stage. The results of the study provide a theoretical reference for the prediction of highly mineralized water pollution in goaf and its prevention and control.

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Availability of copper in mine tailings with humic substance addition and uptake by Atriplex halimus

Tapia

Casanova

Castillo

et al. 2019

Environ Monit Assess

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Assessment of the acid drainage neutralization capacity and the toxic metals lixiviation of tailing from Guanajuato mining district, Mexico

Cited by 6 publications

References 25 publications

Heavy metal and metalloids concentration and mobility in soil leaching into a basin impacted by 500 years of mining in central Mexico: Column experiments and geochemical modeling

Heavy metal and metalloids concentration and mobility in soil leaching into a basin impacted by 500 years of mining in central Mexico: Column experiments and geochemical modeling

Mechanism of Changes in Goaf Water Hydrogeochemistry: A Case Study of the Menkeqing Coal Mine

Availability of copper in mine tailings with humic substance addition and uptake by Atriplex halimus

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